Home / 10,514.21-15,685.14-10,228.17

Finding the Fourth Proportional to 10,514.21, 15,685.14 and 10,228.17

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Solution

The fourth proportional to 10,514.21, 15,685.14 and 10,228.17 is: 15,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514.21 : 15,685.14 = 10,228.17 : x
  2. Step 2: Convert to fraction form
    10,514.21/15,685.14 = 10,228.17/x
  3. Step 3: Cross multiply
    10,514.21x = 15,685.14 × 10,228.17
  4. Step 4: Simplify right side
    10,514.21x = 160,430,375.57
  5. Step 5: Solve for x
    x = 160,430,375.57/10,514.21
  6. Step 6: Final answer
    x = 15,258.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.